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Related papers: A Survey on Why-Type Question Answering Systems

200 papers

Over the past few years, large knowledge bases have been constructed to store massive amounts of knowledge. However, these knowledge bases are highly incomplete. To solve this problem, we propose a web-based question answering system system…

Artificial Intelligence · Computer Science 2023-05-09 Yang Peng , Daisy Zhe Wang

With the rise of voice assistants and an increase in mobile search usage, natural language has become an important query language. So far, most of the current systems are not able to process these queries because of the vagueness and…

Human-Computer Interaction · Computer Science 2020-08-06 Andrea Papenmeier , Alfred Sliwa , Dagmar Kern , Daniel Hienert , Ahmet Aker , Norbert Fuhr

Question Answering (QA) systems have traditionally relied on structured text data, but the rapid growth of multimedia content (images, audio, video, and structured metadata) has introduced new challenges and opportunities for…

Information Retrieval · Computer Science 2025-10-24 Rahul Raja , Arpita Vats

Search engines (SEs) have traditionally been primary tools for information seeking, but the new Large Language Models (LLMs) are emerging as powerful alternatives, particularly for question-answering tasks. This study compares the…

Information Retrieval · Computer Science 2025-03-07 Marcos Fernández-Pichel , Juan C. Pichel , David E. Losada

Large Language Models (LLMs) are increasingly used for accessing information on the web. Their truthfulness and factuality are thus of great interest. To help users make the right decisions about the information they get, LLMs should not…

Computation and Language · Computer Science 2024-04-03 Chenglei Si , Navita Goyal , Sherry Tongshuang Wu , Chen Zhao , Shi Feng , Hal Daumé , Jordan Boyd-Graber

Over the last twenty years, significant progress has been made in designing and implementing Question Answering (QA) systems. However, addressing complex questions, the answers to which are spread across multiple documents, remains a…

Computation and Language · Computer Science 2026-02-26 Sourav Saha , Dwaipayan Roy , Mandar Mitra

Information-seeking dialogues span a wide range of questions, from simple factoid to complex queries that require exploring multiple facets and viewpoints. When performing exploratory searches in unfamiliar domains, users may lack…

Information Retrieval · Computer Science 2024-10-30 Weronika Łajewska , Krisztian Balog , Damiano Spina , Johanne Trippas

Search engines are some of the most popular and profitable intelligent technologies in existence. Recent research, however, has suggested that search engines may be surprisingly dependent on user-created content like Wikipedia articles to…

Computers and Society · Computer Science 2019-06-21 Nicholas Vincent , Isaac Johnson , Patrick Sheehan , Brent Hecht

Formal query building is an important part of complex question answering over knowledge bases. It aims to build correct executable queries for questions. Recent methods try to rank candidate queries generated by a state-transition strategy.…

Computation and Language · Computer Science 2021-09-09 Yongrui Chen , Huiying Li , Yuncheng Hua , Guilin Qi

Most works on Web services has focused on discovery, composition and selection processes of these kinds of services. Other few works were interested in how to represent Web services search queries. However, these queries cannot be processed…

Databases · Computer Science 2012-04-26 Ibrahim El Bitar , Fatima Zahra Belouadha , Ounsa Roudies

In this paper we propose a novel approach towards improving the efficiency of Question Answering (QA) systems by filtering out questions that will not be answered by them. This is based on an interesting new finding: the answer confidence…

Computation and Language · Computer Science 2021-09-16 Siddhant Garg , Alessandro Moschitti

Information retrieval systems are evolving from document retrieval to answer retrieval. Web search logs provide large amounts of data about how people interact with ranked lists of documents, but very little is known about interaction with…

Information Retrieval · Computer Science 2019-01-16 Chen Qu , Liu Yang , Bruce Croft , Falk Scholer , Yongfeng Zhang

In the era of Big Knowledge Graphs, Question Answering (QA) systems have reached a milestone in their performance and feasibility. However, their applicability, particularly in specific domains such as the biomedical domain, has not gained…

Computation and Language · Computer Science 2020-10-19 Saeedeh Shekarpour , Abhishek Nadgeri , Kuldeep Singh

Recent years have seen a dramatic expansion of tasks and datasets posed as question answering, from reading comprehension, semantic role labeling, and even machine translation, to image and video understanding. With this expansion, there…

Computation and Language · Computer Science 2019-09-26 Matt Gardner , Jonathan Berant , Hannaneh Hajishirzi , Alon Talmor , Sewon Min

Generative search engines directly generate responses to user queries, along with in-line citations. A prerequisite trait of a trustworthy generative search engine is verifiability, i.e., systems should cite comprehensively (high citation…

Computation and Language · Computer Science 2023-10-25 Nelson F. Liu , Tianyi Zhang , Percy Liang

Artificial intelligence can now provide more solutions for different problems, especially in the medical field. One of those problems the lack of answers to any given medical/health-related question. The Internet is full of forums that…

Computation and Language · Computer Science 2020-09-01 Abdelrahman Abdallah , Mahmoud Kasem , Mohamed Hamada , Shaymaa Sdeek

Generating follow-up questions on the fly could significantly improve conversational survey quality and user experiences by enabling a more dynamic and personalized survey structure. In this paper, we proposed a novel task for…

Computation and Language · Computer Science 2023-10-16 Yubin Ge , Ziang Xiao , Jana Diesner , Heng Ji , Karrie Karahalios , Hari Sundaram

Purpose - To test major Web search engines on their performance on navigational queries, i.e. searches for homepages. Design/methodology/approach - 100 real user queries are posed to six search engines (Google, Yahoo, MSN, Ask, Seekport,…

Information Retrieval · Computer Science 2015-11-19 Dirk Lewandowski

Tables are common and important in scientific documents, yet most text-based document search systems do not capture structures and semantics specific to tables. How to bridge different types of mismatch between keywords queries and…

Information Retrieval · Computer Science 2017-07-13 Kyle Yingkai Gao , Jamie Callan

A booming amount of information is continuously added to the Internet as structured and unstructured data, feeding knowledge bases such as DBpedia and Wikidata with billions of statements describing millions of entities. The aim of Question…

Computation and Language · Computer Science 2020-10-22 Anand Panchbhai , Tommaso Soru , Edgard Marx